所しょ用よう

noun

business; engagement; affair

Refers to something one must attend to, typically a personal or business obligation. Often used in formal situations to explain absence or unavailability.

• 所しょ用ようのため、本ほん日じつの会かい議ぎを欠けっ席せきいたします。

  I will be absent from today's meeting due to a prior engagement.

• 所しょ用ようで大おお阪さかに行いってきます。

  I'm going to Osaka on business.

noun, noun which may take the genitive case particle 'no'

use; need

Indicates that something is needed or has a use. Less common than sense 1; often appears in set phrases like 所用の品 (necessary items).

• 旅りょ行こうに所しょ用ようの品しなをそろえる。

  I gather the necessary items for the trip.